Global Patent Index - EP 0446743 A3

EP 0446743 A3 19911113 - HERBICIDAL SULFONYLUREAS, PROCESS FOR THEIR PREPARATION AND INTERMEDIATES

Title (en)

HERBICIDAL SULFONYLUREAS, PROCESS FOR THEIR PREPARATION AND INTERMEDIATES

Publication

EP 0446743 A3 19911113 (DE)

Application

EP 91103181 A 19910302

Priority

DE 4007683 A 19900310

Abstract (en)

[origin: EP0446743A2] The present invention relates to substituted sulphonylureas of the general formula I <IMAGE> in which n and m are 0 or 1 and the substituents have the following meaning:   R<1> is hydrogen, alkyl, alkenyl or alkynyl;   R<2> is halogen or trifluoromethyl if m is 0 or, if m is 1, alkyl, alkenyl or alkynyl, and, if X is O or S and m is 1, trifluoro- or chlorodifluoromethyl;   X is O, S or N-R<4>, where R<4> is hydrogen or alkyl;   R<3> is hydrogen, halogen, alkyl, haloalkyl or alkoxy;   A is haloalkyl, a halogen atom or a radical <IMAGE> where   B is an oxygen atom or an alkylimino group N-R<6>;   R<5> is hydrogen, an optionally substituted alkyl group, an optionally substituted cycloalkyl group, an alkenyl group or an alkynyl group.

IPC 1-7

C07D 239/47; A01N 47/36; C07D 239/52; C07D 239/48

IPC 8 full level

A01N 47/36 (2006.01); C07D 239/46 (2006.01); C07D 239/47 (2006.01); C07D 239/48 (2006.01); C07D 239/52 (2006.01); C07D 239/54 (2006.01); C07D 239/56 (2006.01); C07D 239/60 (2006.01); C07D 521/00 (2006.01)

CPC (source: EP KR US)

A01N 47/36 (2013.01 - EP KR US); C07D 239/47 (2013.01 - EP KR US); C07D 239/48 (2013.01 - EP US); C07D 239/52 (2013.01 - EP KR US); C07D 521/00 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE ES FR GB IT LI NL

DOCDB simple family (publication)

EP 0446743 A2 19910918; EP 0446743 A3 19911113; EP 0446743 B1 19950802; AT E125800 T1 19950815; CA 2037838 A1 19910911; CA 2037838 C 20020122; DE 4007683 A1 19910912; DE 59106102 D1 19950907; ES 2075232 T3 19951001; JP 3038247 B2 20000508; JP H05213905 A 19930824; KR 0169131 B1 19990115; KR 910016712 A 19911105; US 5276007 A 19940104

DOCDB simple family (application)

EP 91103181 A 19910302; AT 91103181 T 19910302; CA 2037838 A 19910308; DE 4007683 A 19900310; DE 59106102 T 19910302; ES 91103181 T 19910302; JP 4380591 A 19910308; KR 910003867 A 19910309; US 65691291 A 19910219